【单选题】高いんです __________ 、買えません。
【单选题】学生关系模式 S( S#,Sname,Sex,Age),S的属性分别表示学生的学号、姓名、性别、年龄。要在表S中删除一个属性“年龄”,可选用的SQL语句是
B.
ALTER TABLE S DROP Age
【单选题】パソコンは非常に便利なものです。( )値段が高いので、買えません。
【简答题】My sister has just returned from a visit to Taiwan, and she was deeply (impress) by the warmth of the people there.
【判断题】编年体是按照年、时、月、日的时间顺序来记载历史事件的史书体裁。
【单选题】My sister has just arrived, but I didn't know she ______ until yesterday.
【单选题】姓名、性别、年龄。要在表S中删除一个属性“年龄”,可选用的SQL语句是( )。
D.
ALTER TABLE S DROP Age
【单选题】My sister has just had a beautiful baby boy, and of course, she _______
A.
thinks the ground of him.
B.
thinks the world of him.
C.
thinks the earth of him.
D.
thinks the floor of him.